Clock design



FIG. 1 is a perspective view of the design.

FIG. 2 is a front elevational view of the design.

FIG. 3 is a side elevational view of the design, both side elevational views being identical.

FIG. 4 is a top plan view.

FIG. 5 is a bottom plan view.

FIG. 6 is a rear elevational view. 

The ornamental design for a clock design, substantially as shown. 